Shrinking a virtual disk

by Mitch Tulloch [Published on 9 July 2014 / Last Updated on 9 July 2014]

A tip explaining how to properly shrink a virtual disk for a virtual machine on a Hyper-V host.

Before you use either Windows PowerShell or Hyper-V Manager to shrink a VHD or VHDX file, you should log on to the guest operating system and use the Disk Management snap-in to shrink the volume on the virtual disk you want to shrink. For more information, see Ben Armstrong’s post titled “Shrinking a virtual hard disk in Windows 8” in his “Virtual PC Guy Blog” at http://blogs.msdn.com/b/virtual_pc_guy/archive/2012/05/07/shrinking-a-virtual-hard-disk-in-windows-8.aspx.

The above tip was excerpted from Mitch Tulloch's book Training Guide: Installing and Configuring Windows Server 2012 from Microsoft Press.

Mitch is a nine-time recipient of the Microsoft Most Valuable Professional (MVP) award and a widely recognized expert on Windows administration, deployment and virtualization.  For more information see http://www.mtit.com.

The Author — Mitch Tulloch

Mitch Tulloch is a widely recognized expert on Windows administration, networking, and security. He has been repeatedly awarded Most Valuable Professional (MVP) status by Microsoft for his outstanding contributions in supporting users who deploy and use Microsoft platforms, products and solutions. Mitch has published over two hundred articles on different IT websites and magazines, and he has written or contributed to almost two dozen books and is lead author for the Windows 7 Resource Kit from Microsoft Press. For more information, see www.mtit.com .

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